Radical addition reactions of alkenylsilanes

Abstract
It has been found that chloroform and carbon tetrachloride add to both trimethyl- and triphenyl-allylsilane. The relative reactivities of the double bond in three series of alkenylsilanes, R3Si·[CH2]n·CHCH2(R = Me, Ph, or Cl) toward addition by the trichloromethyl radical have been determined, and the relative reactivities of vinyl- and allyltrimethylsilane toward free radical addition by n-dodecanethiol have been investigated. The factors influencing the reactivities of the various alkenylsilanes toward radical addition reagents are discussed.

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